Specialty Databases MCQ with Answers PDF Download – Test 128

MCQ 636: The major database vendors presently supports the:

1. Relational data model
2. Entity relationship data model
3. Object-based Data model
4. Semi-structured data model

MCQ 637: Each operation in a producer-driven pipeline is modeled as a separate:

1. Process
2. Thread
3. System
4. Both A and B

MCQ 638: If "conn "is a named open connection, the method that would turn off automatic commit, is said to be:

1. conn.setAuto(false)
2. conn.setAutoCommit(true)
3. conn.setNoAuto(true)
4. conn.setAutoCommit(false)

MCQ 639: The problem of conventional file-processing, not allowing needed data to be retrieved efficiently, is the known problem of:

1. Data Inconsistency
2. Difficult to access data
3. Data Isolation
4. Data redundancy

MCQ 640: By default, a user/role that is granted a privilege can grant that privilege to another user/role, but is:

1. Demanded
2. Not demanded
3. Authorized
4. Not authorized